套件資訊
執行下面指令，可以觀看「Binary Package: gstreamer1.0-libav-dbg」相關資訊
$ apt-cache show gstreamer1.0-libav-dbg
顯示
Package: gstreamer1.0-libav-dbg
Architecture: amd64
Version: 1.12.2-1
Multi-Arch: same
Priority: extra
Section: universe/debug
Source: gst-libav1.0
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Maintainers of GStreamer packages <pkg-gstreamer-maintainers@lists.alioth.debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 560
Depends: gstreamer1.0-libav (= 1.12.2-1)
Filename: pool/universe/g/gst-libav1.0/gstreamer1.0-libav-dbg_1.12.2-1_amd64.deb
Size: 398554
MD5sum: 2368298a832efa1795df54690e3f38aa
SHA1: 50a2702b341c9301eb2e412db33cfcd337d37451
SHA256: 273f37e3e1ec7ffc04f41f9c055d8c0ae62c70641297ecb0f69107f1678300a3
Homepage: http://gstreamer.freedesktop.org/modules/gst-libav.html
Description-en: libav plugin for GStreamer (debug symbols)
This GStreamer plugin supports a large number of audio and video compression
formats through the use of the libav library. The plugin contains GStreamer
elements for encoding 40+ formats (MPEG, DivX, MPEG4, AC3, DV, ...), decoding
elements for decoding 90+ formats (AVI, MPEG, OGG, Matroska, ASF, ...),
demuxing 30+ formats and colorspace conversion.
.
http://www.libav.org/
http://gstreamer.freedesktop.org/
http://gstreamer.freedesktop.org/modules/gst-libav.html
.
This package contains unstripped shared libraries. It is provided primarily
to provide a backtrace with names in a debugger, this makes it somewhat
easier to interpret core dumps. The libraries are installed in
/usr/lib/debug and are automatically used by gdb.
Description-md5: 74fb6581aa790a699f7ae22d75e8ee8b
Build-Ids: 45694de17c44d7db0c5b60cb3dc92e290885fc6e
安裝
執行下面指令，安裝「gstreamer1.0-libav-dbg」這個套件。
$ sudo apt-get install gstreamer1.0-libav-dbg
檔案
執行下面指令，觀看「gstreamer1.0-libav-dbg」這個套件，安裝那些檔案在系統上。
$ dpkg -L gstreamer1.0-libav-dbg | sort
From Source Package: gst-libav1.0
執行下面指令，可以了解到「gstreamer1.0-libav-dbg」這個套件，是來自於哪個「Source Package」
$ apt-cache showsrc gstreamer1.0-libav-dbg | grep '^Package:'
顯示
Package: gst-libav1.0
表示「Binary Package: gstreamer1.0-libav-dbg」是來自於「Source Package: gst-libav1.0 (explore)」
或是執行下面指令
$ apt-cache show gstreamer1.0-libav-dbg | grep '^Source:'
顯示
Source: gst-libav1.0